SDR NSVA20070055

Service difficulty report · Dump Valve · Saab 340B

Difficulty date: March 2, 2007
Submitted: January 7, 2008
Operation: Air carrier
Aircraft: N237MJ
Make and model: Saab 340B
Aircraft serial: 237
Aircraft time: 34,463 hours, 37,512 cycles
System (JASC): 2921 · Hydraulic Accumulator, Auxiliary
Part: Dump Valve
Part number: 3268
Condition: Malfunctioned
Location: Hyd System
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EMERGENCY ACCUMULATOR BLEEDING DOWN IN FLIGHT. INSPECTED HYD SYSTEM ACCUM FOR OBVIOUS DAMAGE AND LEAKS. REMOVED AND REPLACED HYD DUMP VALVE IAW SAAB AMM 29-10-35, OPS CHECK GOOD, NO OTHER DISCREPANCIES NOTED P/N 3268, S/N ON: 267, S/N OFF: UNK.

More about the Saab 340B